Return-bend.



C. HARROD.

RETURN BEND.

APPLICATION FILED [120.4, 1915.

1,201,291. I Patented Oct. 17,1916.

2 SHEETS-SHEET l.

W yrz" C. HARROD.

RETURN BEND.

APPLICATION FILED DEC-4.1915.

1,201,291. I Patented Oct. 17,1916.

2 SHEETS-SHEET 2.

@5 3 2; 2 jww CALVIN HARROD, OF LAWRENCEVILLE, ILLINOIS.

RETURN-BEND;

Specification of Letters Patent.

Patented eat. t, rare,

I Application filed December 4, 1915. Serial No. 65,045.

To all whom it may concern:

Be it known that. I, CALVIN Harmon, a citizen of the United States of America, residing at Lawrenceville, in the county of Lawrence and State of Illinois, have invented certain new and useful Improvements in Return-Bends, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to return bends,- and has forits object the-production of a simple and' efficient return bend especially adapted to be used in condensers and ice plants, refrigerators and the like, wherein the end of'the bend may be removed for the purpose of removing sediment therefrom.

Another object of this invention is the production of a simple and eflicient return bend which will possess the smallest amount of space or shoulders for permitting sediment to accumulate thereon.

With these and other objects infview this invention consists of certain novel combinations, constructions, and arrangements of parts as will be hereinafter fully described and claimed.

In the-accompanying drawings :Figure 1 is a side elevation of the return bend. Fig. 2 is an end elevation of the inner end of the return bend. Fig. 3 is'a side elevation show-' ing the return bend applied to a plurality of pipes, or in other words showing the return bend in actual use. Fig. 4 is a central vertical section taken on line 4-4, of Fig. 2. Fig. 5 is a section taken on line 55,' of Fig. 4. Fig.6 is an end view of the outer face of one of the removable caps. Fig. 7 is an end view of the inner face of one of the removable caps. Fig. 8 is a section taken on line 88, of Fig. 4.

By referring to the drawings it will be seen that 1 designates the pipes of the condenser, the pipes being alternately connected to the return bend 2 as clearly illustrated in Fig. 2 of the drawings. This return bend 2 is adapted to engage the adjacent ends of the pipes so as to permit a free circulation from the bottom to the top series or layer of pipes. It should be understood that the return bend as illustrated is formed in one casting and comprises a bod having inwardly extending necks .3, which are somewhat enlarged or thickened with respect to the main body of the bend. The neck portions 3, however, are provided with taper-' ing inlet apertures 4, which terminate in reduced entrance openings 5. These entrance openings 5 communicate with the enlarged chambers 6 formed in the upper portion 7 and lower portion 8 of the return bend. The upper. and lower portions 7 and 8 are connected bymeans of an integral neck portion 9 as clearly illustrated in Fig. 4, so as to permit the free passage of the water. through the body portion as clearly illustrated. The upper and lower portions 7 and 8 are provided with projecting necks 10,

which necks are in alinement with the neck. portions .3. The neck portions 10, however,

areofuniform size with respect to-the enshank portions 13 to permit a wrench to be attached thereto forthe purpose of placing the caps upon the neck 10. It should be understood that when it is desired to remove the sediment from the return bend, the

' larged chambers 6. The outer ends of the-- caps 12 may be released from the bend, and

by means of a scraper the sediment may be easily removed from the bend.

A plurality of laterally extending ears 14 are integrally secured'to the neck portions 3, and are provided with apertures 15 for the purpose of permitting the ears to pass, therethrough, and securing the ears l4 to a support 15. v

It should be understood that the neck portion 9 is provided with round shoulders 16 at a point adjoining the vertical neck por- .tion 9 and the upper and lower portions 7 and 8 to shed the sediment toward the lower portion 8, should sediment have a tendency to accumulate thereon.

From the foregoing description it .will be seen that a very simple and .efiicient return bend has been producedv which may be very inexpensively manufactured, and at the.

same time will produce an e'flicient result in permitting the return bend 'to be readily cleaned from sediment, as well as-the pipes I connected thereto.

Having thus described the invention.

what is claimed as new is As a new article of manufacture a return-I;

bend for condensers, refrigerators and the like comprising a body, said body comprisa pro- .110 ing an upper and lower portion, said upper jecting externally threaded neck and an internally threaded cap threaded upon the externally threaded neck of each of the upper and lower portions, each of the upper and lower portions provided with a straight inner face for facilitating the removal of deposit therefrom, each upper and lower portion also provided with a contracted inner end adapted to connect with the pipes of the condenser, refrigerator and the like, said body provided with a communicating passage between said upper and lower portions for allowing free passage between the inner ends of the upper and lower portions of said body, and integral ears secured to the upper and lower portions of said body for facilitating the securing of said body upon a support.

In testimony whereof I hereunto affix my signature.

CALVIN HARROD. 

